Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.15 miles from Buckland.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 15 June 2026.
Nearest town: 13.27 miles from Buckland.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.27 miles from Buckland.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Roadworks.
Period : from 22:59 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.65 miles from Buckland.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane three is closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.2 miles from Buckland.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three is closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.09 miles from Buckland.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 11.71 miles from Buckland.

Location: northbound between the A5183 and the junction with the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 10.27 miles from Buckland.

Location: southbound between the junctions with the A4146 South and the A4012 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 12.23 miles from Buckland.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 11.72 miles from Buckland.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 12.23 miles from Buckland.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 12.23 miles from Buckland.

Location: southbound between the junctions with the A4146 South and the A4012 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 12.3 miles from Buckland.

Location: southbound between the A4146 South and the junction with the A5183 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 11.73 miles from Buckland.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.33 miles from Buckland.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 22 June 2026 to 24 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.14 miles from Buckland.

Location: northbound between the A4146 Bletchley South and the junction with the A509 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 July 2026 to 1 August 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 August 2026 to 5 August 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.37 miles from Buckland.

Location: northbound between the A4146 Bletchley South and the junction with the A421 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 July 2026 to 25 July 2026.
Schedule : From 20:00 on 27 July 2026 to 06:00 on 28 July 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.37 miles from Buckland.

Location: southbound between the M40 and the junction with the A4155 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 June 2026 to 25 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.2 miles from Buckland.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.04 miles from Buckland.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.35 miles from Buckland.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 16 June 2026 to 17:00 on 16 June 2026.
Nearest town: 13.42 miles from Buckland.

Location: northbound at junction J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 21 June 2026 to 23:59 on 22 June 2026.
Nearest town: 13.09 miles from Buckland.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.48 miles from Buckland.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.25 miles from Buckland.

Location: southbound at junction J4 (High Wycombe) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Nearest town: 13.28 miles from Buckland.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Nearest town: 13.46 miles from Buckland.

Location: southbound at junction J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 21 June 2026 to 23:59 on 22 June 2026.
Nearest town: 13.24 miles from Buckland.

Location: northbound.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.34 miles from Buckland.

Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 12.72 miles from Buckland.

Location: southbound between the A4146 South and the junction with the A4012 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 18 June 2026 to 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.82 miles from Buckland.

Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 05:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.42 miles from Buckland.

Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.28 miles from Buckland.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.14 miles from Buckland.
